include/efi_api.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Extensible Firmware Interface
   4  * Based on 'Extensible Firmware Interface Specification' version 0.9,
   5  * April 30, 1999
   6  *
   7  * Copyright (C) 1999 VA Linux Systems
   8  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
   9  * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
  10  *      David Mosberger-Tang <davidm@hpl.hp.com>
  11  *      Stephane Eranian <eranian@hpl.hp.com>
  12  *
  13  * From include/linux/efi.h in kernel 4.1 with some additions/subtractions
  14  */
  15
  16 #ifndef _EFI_API_H
  17 #define _EFI_API_H
  18
  19 #include <efi.h>
  20 #include <charset.h>
  21 #include <pe.h>
  22
  23 #ifdef CONFIG_EFI_LOADER
  24 #include <asm/setjmp.h>
  25 #endif
  26
  27 /* UEFI spec version 2.8 */
  28 #define EFI_SPECIFICATION_VERSION (2 << 16 | 80)
  29
  30 /* Types and defines for EFI CreateEvent */
  31 enum efi_timer_delay {
  32         EFI_TIMER_STOP = 0,
  33         EFI_TIMER_PERIODIC = 1,
  34         EFI_TIMER_RELATIVE = 2
  35 };
  36
  37 #define efi_intn_t ssize_t
  38 #define efi_uintn_t size_t
  39 typedef void *efi_hii_handle_t;
  40 typedef u16 *efi_string_t;
  41 typedef u16 efi_string_id_t;
  42 typedef u32 efi_hii_font_style_t;
  43 typedef u16 efi_question_id_t;
  44 typedef u16 efi_image_id_t;
  45 typedef u16 efi_form_id_t;
  46
  47 #define EVT_TIMER                               0x80000000
  48 #define EVT_RUNTIME                             0x40000000
  49 #define EVT_NOTIFY_WAIT                         0x00000100
  50 #define EVT_NOTIFY_SIGNAL                       0x00000200
  51 #define EVT_SIGNAL_EXIT_BOOT_SERVICES           0x00000201
  52 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE       0x60000202
  53
  54 #define TPL_APPLICATION         0x04
  55 #define TPL_CALLBACK            0x08
  56 #define TPL_NOTIFY              0x10
  57 #define TPL_HIGH_LEVEL          0x1F
  58
  59 struct efi_event;
  60
  61 /* OsIndicationsSupported flags */
  62 #define EFI_OS_INDICATIONS_BOOT_TO_FW_UI                    0x0000000000000001
  63 #define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION             0x0000000000000002
  64 #define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED  0x0000000000000004
  65 #define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED            0x0000000000000008
  66 #define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED     0x0000000000000010
  67 #define EFI_OS_INDICATIONS_START_OS_RECOVERY                0x0000000000000020
  68 #define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY          0x0000000000000040
  69 #define EFI_OS_INDICATIONS_JSON_CONFIG_DATA_REFRESH         0x0000000000000080
  70
  71 /* EFI Boot Services table */
  72 #define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42
  73 struct efi_boot_services {
  74         struct efi_table_hdr hdr;
  75         efi_status_t (EFIAPI *raise_tpl)(efi_uintn_t new_tpl);
  76         void (EFIAPI *restore_tpl)(efi_uintn_t old_tpl);
  77
  78         efi_status_t (EFIAPI *allocate_pages)(int, int, efi_uintn_t,
  79                                               efi_physical_addr_t *);
  80         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, efi_uintn_t);
  81         efi_status_t (EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size,
  82                                               struct efi_mem_desc *desc,
  83                                               efi_uintn_t *key,
  84                                               efi_uintn_t *desc_size,
  85                                               u32 *desc_version);
  86         efi_status_t (EFIAPI *allocate_pool)(int, efi_uintn_t, void **);
  87         efi_status_t (EFIAPI *free_pool)(void *);
  88
  89         efi_status_t (EFIAPI *create_event)(uint32_t type,
  90                         efi_uintn_t notify_tpl,
  91                         void (EFIAPI *notify_function) (
  92                                         struct efi_event *event,
  93                                         void *context),
  94                         void *notify_context, struct efi_event **event);
  95         efi_status_t (EFIAPI *set_timer)(struct efi_event *event,
  96                                          enum efi_timer_delay type,
  97                                          uint64_t trigger_time);
  98         efi_status_t (EFIAPI *wait_for_event)(efi_uintn_t number_of_events,
  99                                               struct efi_event **event,
 100                                               efi_uintn_t *index);
 101         efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
 102         efi_status_t (EFIAPI *close_event)(struct efi_event *event);
 103         efi_status_t (EFIAPI *check_event)(struct efi_event *event);
 104 #define EFI_NATIVE_INTERFACE    0x00000000
 105         efi_status_t (EFIAPI *install_protocol_interface)(
 106                         efi_handle_t *handle, const efi_guid_t *protocol,
 107                         int protocol_interface_type, void *protocol_interface);
 108         efi_status_t (EFIAPI *reinstall_protocol_interface)(
 109                         efi_handle_t handle, const efi_guid_t *protocol,
 110                         void *old_interface, void *new_interface);
 111         efi_status_t (EFIAPI *uninstall_protocol_interface)(
 112                         efi_handle_t handle, const efi_guid_t *protocol,
 113                         void *protocol_interface);
 114         efi_status_t (EFIAPI *handle_protocol)(
 115                         efi_handle_t handle, const efi_guid_t *protocol,
 116                         void **protocol_interface);
 117         void *reserved;
 118         efi_status_t (EFIAPI *register_protocol_notify)(
 119                         const efi_guid_t *protocol, struct efi_event *event,
 120                         void **registration);
 121         efi_status_t (EFIAPI *locate_handle)(
 122                         enum efi_locate_search_type search_type,
 123                         const efi_guid_t *protocol, void *search_key,
 124                         efi_uintn_t *buffer_size, efi_handle_t *buffer);
 125         efi_status_t (EFIAPI *locate_device_path)(const efi_guid_t *protocol,
 126                         struct efi_device_path **device_path,
 127                         efi_handle_t *device);
 128         efi_status_t (EFIAPI *install_configuration_table)(
 129                         efi_guid_t *guid, void *table);
 130
 131         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
 132                         efi_handle_t parent_image,
 133                         struct efi_device_path *file_path, void *source_buffer,
 134                         efi_uintn_t source_size, efi_handle_t *image);
 135         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
 136                                            efi_uintn_t *exitdata_size,
 137                                            u16 **exitdata);
 138         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
 139                                     efi_status_t exit_status,
 140                                     efi_uintn_t exitdata_size, u16 *exitdata);
 141         efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle);
 142         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t image_handle,
 143                                                   efi_uintn_t map_key);
 144
 145         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 146         efi_status_t (EFIAPI *stall)(unsigned long usecs);
 147         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
 148                         uint64_t watchdog_code, unsigned long data_size,
 149                         uint16_t *watchdog_data);
 150         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 151                         efi_handle_t *driver_image_handle,
 152                         struct efi_device_path *remaining_device_path,
 153                         bool recursive);
 154         efi_status_t (EFIAPI *disconnect_controller)(
 155                         efi_handle_t controller_handle,
 156                         efi_handle_t driver_image_handle,
 157                         efi_handle_t child_handle);
 158 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 159 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 160 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 161 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 162 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 163 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 164         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 165                         const efi_guid_t *protocol, void **interface,
 166                         efi_handle_t agent_handle,
 167                         efi_handle_t controller_handle, u32 attributes);
 168         efi_status_t (EFIAPI *close_protocol)(
 169                         efi_handle_t handle, const efi_guid_t *protocol,
 170                         efi_handle_t agent_handle,
 171                         efi_handle_t controller_handle);
 172         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 173                         const efi_guid_t *protocol,
 174                         struct efi_open_protocol_info_entry **entry_buffer,
 175                         efi_uintn_t *entry_count);
 176         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 177                         efi_guid_t ***protocol_buffer,
 178                         efi_uintn_t *protocols_buffer_count);
 179         efi_status_t (EFIAPI *locate_handle_buffer) (
 180                         enum efi_locate_search_type search_type,
 181                         const efi_guid_t *protocol, void *search_key,
 182                         efi_uintn_t *no_handles, efi_handle_t **buffer);
 183         efi_status_t (EFIAPI *locate_protocol)(const efi_guid_t *protocol,
 184                         void *registration, void **protocol_interface);
 185         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 186                         efi_handle_t *handle, ...);
 187         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 188                         efi_handle_t handle, ...);
 189         efi_status_t (EFIAPI *calculate_crc32)(const void *data,
 190                                                efi_uintn_t data_size,
 191                                                u32 *crc32);
 192         void (EFIAPI *copy_mem)(void *destination, const void *source,
 193                         size_t length);
 194         void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value);
 195         efi_status_t (EFIAPI *create_event_ex)(
 196                                 uint32_t type, efi_uintn_t notify_tpl,
 197                                 void (EFIAPI *notify_function) (
 198                                         struct efi_event *event,
 199                                         void *context),
 200                                 void *notify_context,
 201                                 efi_guid_t *event_group,
 202                                 struct efi_event **event);
 203 };
 204
 205 /* Types and defines for EFI ResetSystem */
 206 enum efi_reset_type {
 207         EFI_RESET_COLD = 0,
 208         EFI_RESET_WARM = 1,
 209         EFI_RESET_SHUTDOWN = 2,
 210         EFI_RESET_PLATFORM_SPECIFIC = 3,
 211 };
 212
 213 /* EFI Runtime Services table */
 214 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x56524553544e5552ULL
 215
 216 #define CAPSULE_FLAGS_PERSIST_ACROSS_RESET      0x00010000
 217 #define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE     0x00020000
 218 #define CAPSULE_FLAGS_INITIATE_RESET            0x00040000
 219
 220 struct efi_capsule_header {
 221         efi_guid_t capsule_guid;
 222         u32 header_size;
 223         u32 flags;
 224         u32 capsule_image_size;
 225 } __packed;
 226
 227 #define EFI_RT_SUPPORTED_GET_TIME                       0x0001
 228 #define EFI_RT_SUPPORTED_SET_TIME                       0x0002
 229 #define EFI_RT_SUPPORTED_GET_WAKEUP_TIME                0x0004
 230 #define EFI_RT_SUPPORTED_SET_WAKEUP_TIME                0x0008
 231 #define EFI_RT_SUPPORTED_GET_VARIABLE                   0x0010
 232 #define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME         0x0020
 233 #define EFI_RT_SUPPORTED_SET_VARIABLE                   0x0040
 234 #define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP        0x0080
 235 #define EFI_RT_SUPPORTED_CONVERT_POINTER                0x0100
 236 #define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT  0x0200
 237 #define EFI_RT_SUPPORTED_RESET_SYSTEM                   0x0400
 238 #define EFI_RT_SUPPORTED_UPDATE_CAPSULE                 0x0800
 239 #define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES     0x1000
 240 #define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO            0x2000
 241
 242 #define EFI_RT_PROPERTIES_TABLE_GUID \
 243         EFI_GUID(0xeb66918a, 0x7eef, 0x402a, 0x84, 0x2e, \
 244                  0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9)
 245
 246 #define EFI_RT_PROPERTIES_TABLE_VERSION 0x1
 247
 248 struct efi_rt_properties_table {
 249         u16 version;
 250         u16 length;
 251         u32 runtime_services_supported;
 252 };
 253
 254 #define EFI_OPTIONAL_PTR        0x00000001
 255
 256 struct efi_runtime_services {
 257         struct efi_table_hdr hdr;
 258         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 259                         struct efi_time_cap *capabilities);
 260         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 261         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 262                         struct efi_time *time);
 263         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 264                         struct efi_time *time);
 265         efi_status_t (EFIAPI *set_virtual_address_map)(
 266                         efi_uintn_t memory_map_size,
 267                         efi_uintn_t descriptor_size,
 268                         uint32_t descriptor_version,
 269                         struct efi_mem_desc *virtmap);
 270         efi_status_t (EFIAPI *convert_pointer)(
 271                         efi_uintn_t debug_disposition, void **address);
 272         efi_status_t (EFIAPI *get_variable)(u16 *variable_name,
 273                                             const efi_guid_t *vendor,
 274                                             u32 *attributes,
 275                                             efi_uintn_t *data_size, void *data);
 276         efi_status_t (EFIAPI *get_next_variable_name)(
 277                         efi_uintn_t *variable_name_size,
 278                         u16 *variable_name, efi_guid_t *vendor);
 279         efi_status_t (EFIAPI *set_variable)(u16 *variable_name,
 280                                             const efi_guid_t *vendor,
 281                                             u32 attributes,
 282                                             efi_uintn_t data_size,
 283                                             const void *data);
 284         efi_status_t (EFIAPI *get_next_high_mono_count)(
 285                         uint32_t *high_count);
 286         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 287                                     efi_status_t reset_status,
 288                                     unsigned long data_size, void *reset_data);
 289         efi_status_t (EFIAPI *update_capsule)(
 290                         struct efi_capsule_header **capsule_header_array,
 291                         efi_uintn_t capsule_count,
 292                         u64 scatter_gather_list);
 293         efi_status_t (EFIAPI *query_capsule_caps)(
 294                         struct efi_capsule_header **capsule_header_array,
 295                         efi_uintn_t capsule_count,
 296                         u64 *maximum_capsule_size,
 297                         u32 *reset_type);
 298         efi_status_t (EFIAPI *query_variable_info)(
 299                         u32 attributes,
 300                         u64 *maximum_variable_storage_size,
 301                         u64 *remaining_variable_storage_size,
 302                         u64 *maximum_variable_size);
 303 };
 304
 305 /* EFI event group GUID definitions */
 306 #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \
 307         EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \
 308                  0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf)
 309
 310 #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \
 311         EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \
 312                  0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96)
 313
 314 #define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \
 315         EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \
 316                  0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab)
 317
 318 #define EFI_EVENT_GROUP_READY_TO_BOOT \
 319         EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \
 320                  0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b)
 321
 322 #define EFI_EVENT_GROUP_RESET_SYSTEM \
 323         EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \
 324                  0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b)
 325
 326 /* EFI Configuration Table and GUID definitions */
 327 #define NULL_GUID \
 328         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 329                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 330
 331 #define EFI_GLOBAL_VARIABLE_GUID \
 332         EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
 333                  0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
 334
 335 #define EFI_IMAGE_SECURITY_DATABASE_GUID \
 336         EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596, 0xa3, 0xbc, \
 337                  0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f)
 338
 339 #define EFI_FDT_GUID \
 340         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 341                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 342
 343 #define EFI_ACPI_TABLE_GUID \
 344         EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \
 345                  0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81)
 346
 347 #define SMBIOS_TABLE_GUID \
 348         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 349                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 350
 351 #define EFI_LOAD_FILE_PROTOCOL_GUID \
 352         EFI_GUID(0x56ec3091, 0x954c, 0x11d2, \
 353                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 354
 355 #define EFI_LOAD_FILE2_PROTOCOL_GUID \
 356         EFI_GUID(0x4006c0c1, 0xfcb3, 0x403e, \
 357                  0x99, 0x6d, 0x4a, 0x6c, 0x87, 0x24, 0xe0, 0x6d)
 358
 359 struct efi_configuration_table {
 360         efi_guid_t guid;
 361         void *table;
 362 } __packed;
 363
 364 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 365
 366 struct efi_system_table {
 367         struct efi_table_hdr hdr;
 368         u16 *fw_vendor;   /* physical addr of wchar_t vendor string */
 369         u32 fw_revision;
 370         efi_handle_t con_in_handle;
 371         struct efi_simple_text_input_protocol *con_in;
 372         efi_handle_t con_out_handle;
 373         struct efi_simple_text_output_protocol *con_out;
 374         efi_handle_t stderr_handle;
 375         struct efi_simple_text_output_protocol *std_err;
 376         struct efi_runtime_services *runtime;
 377         struct efi_boot_services *boottime;
 378         efi_uintn_t nr_tables;
 379         struct efi_configuration_table *tables;
 380 };
 381
 382 #define EFI_LOADED_IMAGE_PROTOCOL_GUID \
 383         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 384                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 385
 386 #define EFI_LOADED_IMAGE_DEVICE_PATH_PROTOCOL_GUID \
 387         EFI_GUID(0xbc62157e, 0x3e33, 0x4fec, \
 388                  0x99, 0x20, 0x2d, 0x3b, 0x36, 0xd7, 0x50, 0xdf)
 389
 390 #define EFI_LOADED_IMAGE_PROTOCOL_REVISION 0x1000
 391
 392 struct efi_loaded_image {
 393         u32 revision;
 394         void *parent_handle;
 395         struct efi_system_table *system_table;
 396         efi_handle_t device_handle;
 397         struct efi_device_path *file_path;
 398         void *reserved;
 399         u32 load_options_size;
 400         void *load_options;
 401         void *image_base;
 402         aligned_u64 image_size;
 403         unsigned int image_code_type;
 404         unsigned int image_data_type;
 405         efi_status_t (EFIAPI *unload)(efi_handle_t image_handle);
 406 };
 407
 408 #define EFI_DEVICE_PATH_PROTOCOL_GUID \
 409         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 410                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 411
 412 #define DEVICE_PATH_TYPE_END                    0x7f
 413 #  define DEVICE_PATH_SUB_TYPE_INSTANCE_END     0x01
 414 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 415
 416 struct efi_device_path {
 417         u8 type;
 418         u8 sub_type;
 419         u16 length;
 420 } __packed;
 421
 422 struct efi_mac_addr {
 423         u8 addr[32];
 424 } __packed;
 425
 426 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE        0x01
 427 #  define DEVICE_PATH_SUB_TYPE_MEMORY           0x03
 428 #  define DEVICE_PATH_SUB_TYPE_VENDOR           0x04
 429
 430 struct efi_device_path_memory {
 431         struct efi_device_path dp;
 432         u32 memory_type;
 433         u64 start_address;
 434         u64 end_address;
 435 } __packed;
 436
 437 struct efi_device_path_vendor {
 438         struct efi_device_path dp;
 439         efi_guid_t guid;
 440         u8 vendor_data[];
 441 } __packed;
 442
 443 #define DEVICE_PATH_TYPE_ACPI_DEVICE            0x02
 444 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE      0x01
 445
 446 #define EFI_PNP_ID(ID)                          (u32)(((ID) << 16) | 0x41D0)
 447 #define EISA_PNP_ID(ID)                         EFI_PNP_ID(ID)
 448 #define EISA_PNP_NUM(ID)                        ((ID) >> 16)
 449
 450 struct efi_device_path_acpi_path {
 451         struct efi_device_path dp;
 452         u32 hid;
 453         u32 uid;
 454 } __packed;
 455
 456 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 457 #  define DEVICE_PATH_SUB_TYPE_MSG_ATAPI        0x01
 458 #  define DEVICE_PATH_SUB_TYPE_MSG_SCSI         0x02
 459 #  define DEVICE_PATH_SUB_TYPE_MSG_USB          0x05
 460 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 461 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS    0x0f
 462 #  define DEVICE_PATH_SUB_TYPE_MSG_SATA         0x12
 463 #  define DEVICE_PATH_SUB_TYPE_MSG_NVME         0x17
 464 #  define DEVICE_PATH_SUB_TYPE_MSG_SD           0x1a
 465 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC          0x1d
 466
 467 struct efi_device_path_atapi {
 468         struct efi_device_path dp;
 469         u8 primary_secondary;
 470         u8 slave_master;
 471         u16 logical_unit_number;
 472 } __packed;
 473
 474 struct efi_device_path_scsi {
 475         struct efi_device_path dp;
 476         u16 target_id;
 477         u16 logical_unit_number;
 478 } __packed;
 479
 480 struct efi_device_path_usb {
 481         struct efi_device_path dp;
 482         u8 parent_port_number;
 483         u8 usb_interface;
 484 } __packed;
 485
 486 struct efi_device_path_sata {
 487         struct efi_device_path dp;
 488         u16 hba_port;
 489         u16 port_multiplier_port;
 490         u16 logical_unit_number;
 491 } __packed;
 492
 493 struct efi_device_path_mac_addr {
 494         struct efi_device_path dp;
 495         struct efi_mac_addr mac;
 496         u8 if_type;
 497 } __packed;
 498
 499 struct efi_device_path_usb_class {
 500         struct efi_device_path dp;
 501         u16 vendor_id;
 502         u16 product_id;
 503         u8 device_class;
 504         u8 device_subclass;
 505         u8 device_protocol;
 506 } __packed;
 507
 508 struct efi_device_path_sd_mmc_path {
 509         struct efi_device_path dp;
 510         u8 slot_number;
 511 } __packed;
 512
 513 struct efi_device_path_nvme {
 514         struct efi_device_path dp;
 515         u32 ns_id;
 516         u8 eui64[8];
 517 } __packed;
 518
 519 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 520 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH  0x01
 521 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH       0x02
 522 #  define DEVICE_PATH_SUB_TYPE_VENDOR_PATH      0x03
 523 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 524
 525 struct efi_device_path_hard_drive_path {
 526         struct efi_device_path dp;
 527         u32 partition_number;
 528         u64 partition_start;
 529         u64 partition_end;
 530         u8 partition_signature[16];
 531         u8 partmap_type;
 532         u8 signature_type;
 533 } __packed;
 534
 535 struct efi_device_path_cdrom_path {
 536         struct efi_device_path dp;
 537         u32 boot_entry;
 538         u64 partition_start;
 539         u64 partition_size;
 540 } __packed;
 541
 542 struct efi_device_path_file_path {
 543         struct efi_device_path dp;
 544         u16 str[];
 545 } __packed;
 546
 547 #define EFI_BLOCK_IO_PROTOCOL_GUID \
 548         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 549                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 550
 551 struct efi_block_io_media {
 552         u32 media_id;
 553         char removable_media;
 554         char media_present;
 555         char logical_partition;
 556         char read_only;
 557         char write_caching;
 558         u8 pad[3];
 559         u32 block_size;
 560         u32 io_align;
 561         u8 pad2[4];
 562         u64 last_block;
 563         /* Added in revision 2 of the protocol */
 564         u64 lowest_aligned_lba;
 565         u32 logical_blocks_per_physical_block;
 566         /* Added in revision 3 of the protocol */
 567         u32 optimal_transfer_length_granualarity;
 568 };
 569
 570 #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001
 571 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f
 572
 573 struct efi_block_io {
 574         u64 revision;
 575         struct efi_block_io_media *media;
 576         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 577                         char extended_verification);
 578         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 579                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 580                         void *buffer);
 581         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 582                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 583                         void *buffer);
 584         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 585 };
 586
 587 struct simple_text_output_mode {
 588         s32 max_mode;
 589         s32 mode;
 590         s32 attribute;
 591         s32 cursor_column;
 592         s32 cursor_row;
 593         bool cursor_visible;
 594 };
 595
 596 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
 597         EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
 598                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 599
 600 #define EFI_BLACK                0x00
 601 #define EFI_BLUE                 0x01
 602 #define EFI_GREEN                0x02
 603 #define EFI_CYAN                 0x03
 604 #define EFI_RED                  0x04
 605 #define EFI_MAGENTA              0x05
 606 #define EFI_BROWN                0x06
 607 #define EFI_LIGHTGRAY            0x07
 608 #define EFI_BRIGHT               0x08
 609 #define EFI_DARKGRAY             0x08
 610 #define EFI_LIGHTBLUE            0x09
 611 #define EFI_LIGHTGREEN           0x0a
 612 #define EFI_LIGHTCYAN            0x0b
 613 #define EFI_LIGHTRED             0x0c
 614 #define EFI_LIGHTMAGENTA         0x0d
 615 #define EFI_YELLOW               0x0e
 616 #define EFI_WHITE                0x0f
 617 #define EFI_BACKGROUND_BLACK     0x00
 618 #define EFI_BACKGROUND_BLUE      0x10
 619 #define EFI_BACKGROUND_GREEN     0x20
 620 #define EFI_BACKGROUND_CYAN      0x30
 621 #define EFI_BACKGROUND_RED       0x40
 622 #define EFI_BACKGROUND_MAGENTA   0x50
 623 #define EFI_BACKGROUND_BROWN     0x60
 624 #define EFI_BACKGROUND_LIGHTGRAY 0x70
 625
 626 /* extract foreground color from EFI attribute */
 627 #define EFI_ATTR_FG(attr)        ((attr) & 0x07)
 628 /* treat high bit of FG as bright/bold (similar to edk2) */
 629 #define EFI_ATTR_BOLD(attr)      (((attr) >> 3) & 0x01)
 630 /* extract background color from EFI attribute */
 631 #define EFI_ATTR_BG(attr)        (((attr) >> 4) & 0x7)
 632
 633 struct efi_simple_text_output_protocol {
 634         efi_status_t (EFIAPI *reset)(
 635                         struct efi_simple_text_output_protocol *this,
 636                         char extended_verification);
 637         efi_status_t (EFIAPI *output_string)(
 638                         struct efi_simple_text_output_protocol *this,
 639                         const efi_string_t str);
 640         efi_status_t (EFIAPI *test_string)(
 641                         struct efi_simple_text_output_protocol *this,
 642                         const efi_string_t str);
 643         efi_status_t(EFIAPI *query_mode)(
 644                         struct efi_simple_text_output_protocol *this,
 645                         unsigned long mode_number, unsigned long *columns,
 646                         unsigned long *rows);
 647         efi_status_t(EFIAPI *set_mode)(
 648                         struct efi_simple_text_output_protocol *this,
 649                         unsigned long mode_number);
 650         efi_status_t(EFIAPI *set_attribute)(
 651                         struct efi_simple_text_output_protocol *this,
 652                         unsigned long attribute);
 653         efi_status_t(EFIAPI *clear_screen) (
 654                         struct efi_simple_text_output_protocol *this);
 655         efi_status_t(EFIAPI *set_cursor_position) (
 656                         struct efi_simple_text_output_protocol *this,
 657                         unsigned long column, unsigned long row);
 658         efi_status_t(EFIAPI *enable_cursor)(
 659                         struct efi_simple_text_output_protocol *this,
 660                         bool enable);
 661         struct simple_text_output_mode *mode;
 662 };
 663
 664 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
 665         EFI_GUID(0xdd9e7534, 0x7762, 0x4698, \
 666                  0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa)
 667
 668 struct efi_input_key {
 669         u16 scan_code;
 670         s16 unicode_char;
 671 };
 672
 673 #define EFI_SHIFT_STATE_INVALID         0x00000000
 674 #define EFI_RIGHT_SHIFT_PRESSED         0x00000001
 675 #define EFI_LEFT_SHIFT_PRESSED          0x00000002
 676 #define EFI_RIGHT_CONTROL_PRESSED       0x00000004
 677 #define EFI_LEFT_CONTROL_PRESSED        0x00000008
 678 #define EFI_RIGHT_ALT_PRESSED           0x00000010
 679 #define EFI_LEFT_ALT_PRESSED            0x00000020
 680 #define EFI_RIGHT_LOGO_PRESSED          0x00000040
 681 #define EFI_LEFT_LOGO_PRESSED           0x00000080
 682 #define EFI_MENU_KEY_PRESSED            0x00000100
 683 #define EFI_SYS_REQ_PRESSED             0x00000200
 684 #define EFI_SHIFT_STATE_VALID           0x80000000
 685
 686 #define EFI_TOGGLE_STATE_INVALID        0x00
 687 #define EFI_SCROLL_LOCK_ACTIVE          0x01
 688 #define EFI_NUM_LOCK_ACTIVE             0x02
 689 #define EFI_CAPS_LOCK_ACTIVE            0x04
 690 #define EFI_KEY_STATE_EXPOSED           0x40
 691 #define EFI_TOGGLE_STATE_VALID          0x80
 692
 693 struct efi_key_state {
 694         u32 key_shift_state;
 695         u8 key_toggle_state;
 696 };
 697
 698 struct efi_key_data {
 699         struct efi_input_key key;
 700         struct efi_key_state key_state;
 701 };
 702
 703 struct efi_simple_text_input_ex_protocol {
 704         efi_status_t (EFIAPI *reset) (
 705                 struct efi_simple_text_input_ex_protocol *this,
 706                 bool extended_verification);
 707         efi_status_t (EFIAPI *read_key_stroke_ex) (
 708                 struct efi_simple_text_input_ex_protocol *this,
 709                 struct efi_key_data *key_data);
 710         struct efi_event *wait_for_key_ex;
 711         efi_status_t (EFIAPI *set_state) (
 712                 struct efi_simple_text_input_ex_protocol *this,
 713                 u8 *key_toggle_state);
 714         efi_status_t (EFIAPI *register_key_notify) (
 715                 struct efi_simple_text_input_ex_protocol *this,
 716                 struct efi_key_data *key_data,
 717                 efi_status_t (EFIAPI *key_notify_function)(
 718                         struct efi_key_data *key_data),
 719                 void **notify_handle);
 720         efi_status_t (EFIAPI *unregister_key_notify) (
 721                 struct efi_simple_text_input_ex_protocol *this,
 722                 void *notification_handle);
 723 };
 724
 725 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
 726         EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
 727                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 728
 729 struct efi_simple_text_input_protocol {
 730         efi_status_t(EFIAPI *reset)(struct efi_simple_text_input_protocol *this,
 731                                     bool extended_verification);
 732         efi_status_t(EFIAPI *read_key_stroke)(
 733                         struct efi_simple_text_input_protocol *this,
 734                         struct efi_input_key *key);
 735         struct efi_event *wait_for_key;
 736 };
 737
 738 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 739         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 740                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 741
 742 struct efi_device_path_to_text_protocol {
 743         uint16_t *(EFIAPI *convert_device_node_to_text)(
 744                         struct efi_device_path *device_node,
 745                         bool display_only,
 746                         bool allow_shortcuts);
 747         uint16_t *(EFIAPI *convert_device_path_to_text)(
 748                         struct efi_device_path *device_path,
 749                         bool display_only,
 750                         bool allow_shortcuts);
 751 };
 752
 753 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
 754         EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
 755                  0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
 756
 757 struct efi_device_path_utilities_protocol {
 758         efi_uintn_t (EFIAPI *get_device_path_size)(
 759                 const struct efi_device_path *device_path);
 760         struct efi_device_path *(EFIAPI *duplicate_device_path)(
 761                 const struct efi_device_path *device_path);
 762         struct efi_device_path *(EFIAPI *append_device_path)(
 763                 const struct efi_device_path *src1,
 764                 const struct efi_device_path *src2);
 765         struct efi_device_path *(EFIAPI *append_device_node)(
 766                 const struct efi_device_path *device_path,
 767                 const struct efi_device_path *device_node);
 768         struct efi_device_path *(EFIAPI *append_device_path_instance)(
 769                 const struct efi_device_path *device_path,
 770                 const struct efi_device_path *device_path_instance);
 771         struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
 772                 struct efi_device_path **device_path_instance,
 773                 efi_uintn_t *device_path_instance_size);
 774         bool (EFIAPI *is_device_path_multi_instance)(
 775                 const struct efi_device_path *device_path);
 776         struct efi_device_path *(EFIAPI *create_device_node)(
 777                 uint8_t node_type,
 778                 uint8_t node_sub_type,
 779                 uint16_t node_length);
 780 };
 781
 782 /*
 783  * Human Interface Infrastructure (HII)
 784  */
 785 struct efi_hii_package_list_header {
 786         efi_guid_t package_list_guid;
 787         u32 package_length;
 788 } __packed;
 789
 790 /**
 791  * struct efi_hii_package_header - EFI HII package header
 792  *
 793  * @fields:     'fields' replaces the bit-fields defined in the EFI
 794  *              specification to to avoid possible compiler incompatibilities::
 795  *
 796  *              u32 length:24;
 797  *              u32 type:8;
 798  */
 799 struct efi_hii_package_header {
 800         u32 fields;
 801 } __packed;
 802
 803 #define __EFI_HII_PACKAGE_LEN_SHIFT     0
 804 #define __EFI_HII_PACKAGE_TYPE_SHIFT    24
 805 #define __EFI_HII_PACKAGE_LEN_MASK      0xffffff
 806 #define __EFI_HII_PACKAGE_TYPE_MASK     0xff
 807
 808 #define EFI_HII_PACKAGE_TYPE_ALL          0x00
 809 #define EFI_HII_PACKAGE_TYPE_GUID         0x01
 810 #define EFI_HII_PACKAGE_FORMS             0x02
 811 #define EFI_HII_PACKAGE_STRINGS           0x04
 812 #define EFI_HII_PACKAGE_FONTS             0x05
 813 #define EFI_HII_PACKAGE_IMAGES            0x06
 814 #define EFI_HII_PACKAGE_SIMPLE_FONTS      0x07
 815 #define EFI_HII_PACKAGE_DEVICE_PATH       0x08
 816 #define EFI_HII_PACKAGE_KEYBOARD_LAYOUT   0x09
 817 #define EFI_HII_PACKAGE_ANIMATIONS        0x0A
 818 #define EFI_HII_PACKAGE_END               0xDF
 819 #define EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN 0xE0
 820 #define EFI_HII_PACKAGE_TYPE_SYSTEM_END   0xFF
 821
 822 /*
 823  * HII GUID package
 824  */
 825 struct efi_hii_guid_package {
 826         struct efi_hii_package_header header;
 827         efi_guid_t guid;
 828         char data[];
 829 } __packed;
 830
 831 /*
 832  * HII string package
 833  */
 834 struct efi_hii_strings_package {
 835         struct efi_hii_package_header header;
 836         u32 header_size;
 837         u32 string_info_offset;
 838         u16 language_window[16];
 839         efi_string_id_t language_name;
 840         u8  language[];
 841 } __packed;
 842
 843 struct efi_hii_string_block {
 844         u8 block_type;
 845         /* u8 block_body[]; */
 846 } __packed;
 847
 848 #define EFI_HII_SIBT_END               0x00
 849 #define EFI_HII_SIBT_STRING_SCSU       0x10
 850 #define EFI_HII_SIBT_STRING_SCSU_FONT  0x11
 851 #define EFI_HII_SIBT_STRINGS_SCSU      0x12
 852 #define EFI_HII_SIBT_STRINGS_SCSU_FONT 0x13
 853 #define EFI_HII_SIBT_STRING_UCS2       0x14
 854 #define EFI_HII_SIBT_STRING_UCS2_FONT  0x15
 855 #define EFI_HII_SIBT_STRINGS_UCS2      0x16
 856 #define EFI_HII_SIBT_STRINGS_UCS2_FONT 0x17
 857 #define EFI_HII_SIBT_DUPLICATE         0x20
 858 #define EFI_HII_SIBT_SKIP2             0x21
 859 #define EFI_HII_SIBT_SKIP1             0x22
 860 #define EFI_HII_SIBT_EXT1              0x30
 861 #define EFI_HII_SIBT_EXT2              0x31
 862 #define EFI_HII_SIBT_EXT4              0x32
 863 #define EFI_HII_SIBT_FONT              0x40
 864
 865 struct efi_hii_sibt_string_ucs2_block {
 866         struct efi_hii_string_block header;
 867         u16 string_text[];
 868 } __packed;
 869
 870 static inline struct efi_hii_string_block *
 871 efi_hii_sibt_string_ucs2_block_next(struct efi_hii_sibt_string_ucs2_block *blk)
 872 {
 873         return ((void *)blk) + sizeof(*blk) +
 874                 (u16_strlen(blk->string_text) + 1) * 2;
 875 }
 876
 877 /*
 878  * HII forms package
 879  * TODO: full scope of definitions
 880  */
 881 struct efi_hii_time {
 882         u8 hour;
 883         u8 minute;
 884         u8 second;
 885 };
 886
 887 struct efi_hii_date {
 888         u16 year;
 889         u8 month;
 890         u8 day;
 891 };
 892
 893 struct efi_hii_ref {
 894         efi_question_id_t question_id;
 895         efi_form_id_t form_id;
 896         efi_guid_t form_set_guid;
 897         efi_string_id_t device_path;
 898 };
 899
 900 union efi_ifr_type_value {
 901         u8 u8;                          // EFI_IFR_TYPE_NUM_SIZE_8
 902         u16 u16;                        // EFI_IFR_TYPE_NUM_SIZE_16
 903         u32 u32;                        // EFI_IFR_TYPE_NUM_SIZE_32
 904         u64 u64;                        // EFI_IFR_TYPE_NUM_SIZE_64
 905         bool b;                         // EFI_IFR_TYPE_BOOLEAN
 906         struct efi_hii_time time;       // EFI_IFR_TYPE_TIME
 907         struct efi_hii_date date;       // EFI_IFR_TYPE_DATE
 908         efi_string_id_t string; // EFI_IFR_TYPE_STRING, EFI_IFR_TYPE_ACTION
 909         struct efi_hii_ref ref;         // EFI_IFR_TYPE_REF
 910         // u8 buffer[];                 // EFI_IFR_TYPE_BUFFER
 911 };
 912
 913 #define EFI_IFR_TYPE_NUM_SIZE_8         0x00
 914 #define EFI_IFR_TYPE_NUM_SIZE_16        0x01
 915 #define EFI_IFR_TYPE_NUM_SIZE_32        0x02
 916 #define EFI_IFR_TYPE_NUM_SIZE_64        0x03
 917 #define EFI_IFR_TYPE_BOOLEAN            0x04
 918 #define EFI_IFR_TYPE_TIME               0x05
 919 #define EFI_IFR_TYPE_DATE               0x06
 920 #define EFI_IFR_TYPE_STRING             0x07
 921 #define EFI_IFR_TYPE_OTHER              0x08
 922 #define EFI_IFR_TYPE_UNDEFINED          0x09
 923 #define EFI_IFR_TYPE_ACTION             0x0A
 924 #define EFI_IFR_TYPE_BUFFER             0x0B
 925 #define EFI_IFR_TYPE_REF                0x0C
 926 #define EFI_IFR_OPTION_DEFAULT          0x10
 927 #define EFI_IFR_OPTION_DEFAULT_MFG      0x20
 928
 929 #define EFI_IFR_ONE_OF_OPTION_OP        0x09
 930
 931 struct efi_ifr_op_header {
 932         u8 opCode;
 933         u8 length:7;
 934         u8 scope:1;
 935 };
 936
 937 struct efi_ifr_one_of_option {
 938         struct efi_ifr_op_header header;
 939         efi_string_id_t option;
 940         u8 flags;
 941         u8 type;
 942         union efi_ifr_type_value value;
 943 };
 944
 945 typedef efi_uintn_t efi_browser_action_t;
 946
 947 #define EFI_BROWSER_ACTION_REQUEST_NONE                 0
 948 #define EFI_BROWSER_ACTION_REQUEST_RESET                1
 949 #define EFI_BROWSER_ACTION_REQUEST_SUBMIT               2
 950 #define EFI_BROWSER_ACTION_REQUEST_EXIT                 3
 951 #define EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT     4
 952 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT    5
 953 #define EFI_BROWSER_ACTION_REQUEST_FORM_APPLY           6
 954 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD         7
 955 #define EFI_BROWSER_ACTION_REQUEST_RECONNECT            8
 956
 957 typedef efi_uintn_t efi_browser_action_request_t;
 958
 959 #define EFI_BROWSER_ACTION_CHANGING                     0
 960 #define EFI_BROWSER_ACTION_CHANGED                      1
 961 #define EFI_BROWSER_ACTION_RETRIEVE                     2
 962 #define EFI_BROWSER_ACTION_FORM_OPEN                    3
 963 #define EFI_BROWSER_ACTION_FORM_CLOSE                   4
 964 #define EFI_BROWSER_ACTION_SUBMITTED                    5
 965 #define EFI_BROWSER_ACTION_DEFAULT_STANDARD             0x1000
 966 #define EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING        0x1001
 967 #define EFI_BROWSER_ACTION_DEFAULT_SAFE                 0x1002
 968 #define EFI_BROWSER_ACTION_DEFAULT_PLATFORM             0x2000
 969 #define EFI_BROWSER_ACTION_DEFAULT_HARDWARE             0x3000
 970 #define EFI_BROWSER_ACTION_DEFAULT_FIRMWARE             0x4000
 971
 972 /*
 973  * HII keyboard package
 974  */
 975 typedef enum {
 976         EFI_KEY_LCTRL, EFI_KEY_A0, EFI_KEY_LALT, EFI_KEY_SPACE_BAR,
 977         EFI_KEY_A2, EFI_KEY_A3, EFI_KEY_A4, EFI_KEY_RCTRL, EFI_KEY_LEFT_ARROW,
 978         EFI_KEY_DOWN_ARROW, EFI_KEY_RIGHT_ARROW, EFI_KEY_ZERO,
 979         EFI_KEY_PERIOD, EFI_KEY_ENTER, EFI_KEY_LSHIFT, EFI_KEY_B0,
 980         EFI_KEY_B1, EFI_KEY_B2, EFI_KEY_B3, EFI_KEY_B4, EFI_KEY_B5, EFI_KEY_B6,
 981         EFI_KEY_B7, EFI_KEY_B8, EFI_KEY_B9, EFI_KEY_B10, EFI_KEY_RSHIFT,
 982         EFI_KEY_UP_ARROW, EFI_KEY_ONE, EFI_KEY_TWO, EFI_KEY_THREE,
 983         EFI_KEY_CAPS_LOCK, EFI_KEY_C1, EFI_KEY_C2, EFI_KEY_C3, EFI_KEY_C4,
 984         EFI_KEY_C5, EFI_KEY_C6, EFI_KEY_C7, EFI_KEY_C8, EFI_KEY_C9,
 985         EFI_KEY_C10, EFI_KEY_C11, EFI_KEY_C12, EFI_KEY_FOUR, EFI_KEY_FIVE,
 986         EFI_KEY_SIX, EFI_KEY_PLUS, EFI_KEY_TAB, EFI_KEY_D1, EFI_KEY_D2,
 987         EFI_KEY_D3, EFI_KEY_D4, EFI_KEY_D5, EFI_KEY_D6, EFI_KEY_D7, EFI_KEY_D8,
 988         EFI_KEY_D9, EFI_KEY_D10, EFI_KEY_D11, EFI_KEY_D12, EFI_KEY_D13,
 989         EFI_KEY_DEL, EFI_KEY_END, EFI_KEY_PG_DN, EFI_KEY_SEVEN, EFI_KEY_EIGHT,
 990         EFI_KEY_NINE, EFI_KEY_E0, EFI_KEY_E1, EFI_KEY_E2, EFI_KEY_E3,
 991         EFI_KEY_E4, EFI_KEY_E5, EFI_KEY_E6, EFI_KEY_E7, EFI_KEY_E8, EFI_KEY_E9,
 992         EFI_KEY_E10, EFI_KEY_E11, EFI_KEY_E12, EFI_KEY_BACK_SPACE,
 993         EFI_KEY_INS, EFI_KEY_HOME, EFI_KEY_PG_UP, EFI_KEY_NLCK, EFI_KEY_SLASH,
 994         EFI_KEY_ASTERISK, EFI_KEY_MINUS, EFI_KEY_ESC, EFI_KEY_F1, EFI_KEY_F2,
 995         EFI_KEY_F3, EFI_KEY_F4, EFI_KEY_F5, EFI_KEY_F6, EFI_KEY_F7, EFI_KEY_F8,
 996         EFI_KEY_F9, EFI_KEY_F10, EFI_KEY_F11, EFI_KEY_F12, EFI_KEY_PRINT,
 997         EFI_KEY_SLCK, EFI_KEY_PAUSE,
 998 } efi_key;
 999
1000 struct efi_key_descriptor {
1001         u32 key;
1002         u16 unicode;
1003         u16 shifted_unicode;
1004         u16 alt_gr_unicode;
1005         u16 shifted_alt_gr_unicode;
1006         u16 modifier;
1007         u16 affected_attribute;
1008 } __packed;
1009
1010 struct efi_hii_keyboard_layout {
1011         u16 layout_length;
1012         efi_guid_t guid;
1013         u32 layout_descriptor_string_offset;
1014         u8 descriptor_count;
1015         struct efi_key_descriptor descriptors[];
1016 } __packed;
1017
1018 struct efi_hii_keyboard_package {
1019         struct efi_hii_package_header header;
1020         u16 layout_count;
1021         struct efi_hii_keyboard_layout layout[];
1022 } __packed;
1023
1024 /*
1025  * HII protocols
1026  */
1027 #define EFI_HII_STRING_PROTOCOL_GUID \
1028         EFI_GUID(0x0fd96974, 0x23aa, 0x4cdc, \
1029                  0xb9, 0xcb, 0x98, 0xd1, 0x77, 0x50, 0x32, 0x2a)
1030
1031 struct efi_font_info {
1032         efi_hii_font_style_t font_style;
1033         u16 font_size;
1034         u16 font_name[1];
1035 };
1036
1037 struct efi_hii_string_protocol {
1038         efi_status_t(EFIAPI *new_string)(
1039                 const struct efi_hii_string_protocol *this,
1040                 efi_hii_handle_t package_list,
1041                 efi_string_id_t *string_id,
1042                 const u8 *language,
1043                 const u16 *language_name,
1044                 const efi_string_t string,
1045                 const struct efi_font_info *string_font_info);
1046         efi_status_t(EFIAPI *get_string)(
1047                 const struct efi_hii_string_protocol *this,
1048                 const u8 *language,
1049                 efi_hii_handle_t package_list,
1050                 efi_string_id_t string_id,
1051                 efi_string_t string,
1052                 efi_uintn_t *string_size,
1053                 struct efi_font_info **string_font_info);
1054         efi_status_t(EFIAPI *set_string)(
1055                 const struct efi_hii_string_protocol *this,
1056                 efi_hii_handle_t package_list,
1057                 efi_string_id_t string_id,
1058                 const u8 *language,
1059                 const efi_string_t string,
1060                 const struct efi_font_info *string_font_info);
1061         efi_status_t(EFIAPI *get_languages)(
1062                 const struct efi_hii_string_protocol *this,
1063                 efi_hii_handle_t package_list,
1064                 u8 *languages,
1065                 efi_uintn_t *languages_size);
1066         efi_status_t(EFIAPI *get_secondary_languages)(
1067                 const struct efi_hii_string_protocol *this,
1068                 efi_hii_handle_t package_list,
1069                 const u8 *primary_language,
1070                 u8 *secondary_languages,
1071                 efi_uintn_t *secondary_languages_size);
1072 };
1073
1074 #define EFI_HII_DATABASE_PROTOCOL_GUID       \
1075         EFI_GUID(0xef9fc172, 0xa1b2, 0x4693, \
1076                  0xb3, 0x27, 0x6d, 0x32, 0xfc, 0x41, 0x60, 0x42)
1077
1078 struct efi_hii_database_protocol {
1079         efi_status_t(EFIAPI *new_package_list)(
1080                 const struct efi_hii_database_protocol *this,
1081                 const struct efi_hii_package_list_header *package_list,
1082                 const efi_handle_t driver_handle,
1083                 efi_hii_handle_t *handle);
1084         efi_status_t(EFIAPI *remove_package_list)(
1085                 const struct efi_hii_database_protocol *this,
1086                 efi_hii_handle_t handle);
1087         efi_status_t(EFIAPI *update_package_list)(
1088                 const struct efi_hii_database_protocol *this,
1089                 efi_hii_handle_t handle,
1090                 const struct efi_hii_package_list_header *package_list);
1091         efi_status_t(EFIAPI *list_package_lists)(
1092                 const struct efi_hii_database_protocol *this,
1093                 u8 package_type,
1094                 const efi_guid_t *package_guid,
1095                 efi_uintn_t *handle_buffer_length,
1096                 efi_hii_handle_t *handle);
1097         efi_status_t(EFIAPI *export_package_lists)(
1098                 const struct efi_hii_database_protocol *this,
1099                 efi_hii_handle_t handle,
1100                 efi_uintn_t *buffer_size,
1101                 struct efi_hii_package_list_header *buffer);
1102         efi_status_t(EFIAPI *register_package_notify)(
1103                 const struct efi_hii_database_protocol *this,
1104                 u8 package_type,
1105                 const efi_guid_t *package_guid,
1106                 const void *package_notify_fn,
1107                 efi_uintn_t notify_type,
1108                 efi_handle_t *notify_handle);
1109         efi_status_t(EFIAPI *unregister_package_notify)(
1110                 const struct efi_hii_database_protocol *this,
1111                 efi_handle_t notification_handle
1112                 );
1113         efi_status_t(EFIAPI *find_keyboard_layouts)(
1114                 const struct efi_hii_database_protocol *this,
1115                 u16 *key_guid_buffer_length,
1116                 efi_guid_t *key_guid_buffer);
1117         efi_status_t(EFIAPI *get_keyboard_layout)(
1118                 const struct efi_hii_database_protocol *this,
1119                 efi_guid_t *key_guid,
1120                 u16 *keyboard_layout_length,
1121                 struct efi_hii_keyboard_layout *keyboard_layout);
1122         efi_status_t(EFIAPI *set_keyboard_layout)(
1123                 const struct efi_hii_database_protocol *this,
1124                 efi_guid_t *key_guid);
1125         efi_status_t(EFIAPI *get_package_list_handle)(
1126                 const struct efi_hii_database_protocol *this,
1127                 efi_hii_handle_t package_list_handle,
1128                 efi_handle_t *driver_handle);
1129 };
1130
1131 #define EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID \
1132         EFI_GUID(0x587e72d7, 0xcc50, 0x4f79, \
1133                  0x82, 0x09, 0xca, 0x29, 0x1f, 0xc1, 0xa1, 0x0f)
1134
1135 struct efi_hii_config_routing_protocol {
1136         efi_status_t(EFIAPI *extract_config)(
1137                 const struct efi_hii_config_routing_protocol *this,
1138                 const efi_string_t request,
1139                 efi_string_t *progress,
1140                 efi_string_t *results);
1141         efi_status_t(EFIAPI *export_config)(
1142                 const struct efi_hii_config_routing_protocol *this,
1143                 efi_string_t *results);
1144         efi_status_t(EFIAPI *route_config)(
1145                 const struct efi_hii_config_routing_protocol *this,
1146                 const efi_string_t configuration,
1147                 efi_string_t *progress);
1148         efi_status_t(EFIAPI *block_to_config)(
1149                 const struct efi_hii_config_routing_protocol *this,
1150                 const efi_string_t config_request,
1151                 const uint8_t *block,
1152                 const efi_uintn_t block_size,
1153                 efi_string_t *config,
1154                 efi_string_t *progress);
1155         efi_status_t(EFIAPI *config_to_block)(
1156                 const struct efi_hii_config_routing_protocol *this,
1157                 const efi_string_t config_resp,
1158                 const uint8_t *block,
1159                 const efi_uintn_t *block_size,
1160                 efi_string_t *progress);
1161         efi_status_t(EFIAPI *get_alt_config)(
1162                 const struct efi_hii_config_routing_protocol *this,
1163                 const efi_string_t config_resp,
1164                 const efi_guid_t *guid,
1165                 const efi_string_t name,
1166                 const struct efi_device_path *device_path,
1167                 const efi_string_t alt_cfg_id,
1168                 efi_string_t *alt_cfg_resp);
1169 };
1170
1171 #define EFI_HII_CONFIG_ACCESS_PROTOCOL_GUID \
1172         EFI_GUID(0x330d4706, 0xf2a0, 0x4e4f, \
1173                  0xa3, 0x69, 0xb6, 0x6f, 0xa8, 0xd5, 0x43, 0x85)
1174
1175 struct efi_hii_config_access_protocol {
1176         efi_status_t(EFIAPI *extract_config_access)(
1177                 const struct efi_hii_config_access_protocol *this,
1178                 const efi_string_t request,
1179                 efi_string_t *progress,
1180                 efi_string_t *results);
1181         efi_status_t(EFIAPI *route_config_access)(
1182                 const struct efi_hii_config_access_protocol *this,
1183                 const efi_string_t configuration,
1184                 efi_string_t *progress);
1185         efi_status_t(EFIAPI *form_callback)(
1186                 const struct efi_hii_config_access_protocol *this,
1187                 efi_browser_action_t action,
1188                 efi_question_id_t question_id,
1189                 u8 type,
1190                 union efi_ifr_type_value *value,
1191                 efi_browser_action_request_t *action_request);
1192 };
1193
1194 #define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \
1195         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
1196                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
1197
1198 #define EFI_GOT_RGBA8           0
1199 #define EFI_GOT_BGRA8           1
1200 #define EFI_GOT_BITMASK         2
1201
1202 struct efi_gop_mode_info {
1203         u32 version;
1204         u32 width;
1205         u32 height;
1206         u32 pixel_format;
1207         u32 pixel_bitmask[4];
1208         u32 pixels_per_scanline;
1209 };
1210
1211 struct efi_gop_mode {
1212         u32 max_mode;
1213         u32 mode;
1214         struct efi_gop_mode_info *info;
1215         unsigned long info_size;
1216         efi_physical_addr_t fb_base;
1217         unsigned long fb_size;
1218 };
1219
1220 struct efi_gop_pixel {
1221         u8 blue;
1222         u8 green;
1223         u8 red;
1224         u8 reserved;
1225 };
1226
1227 #define EFI_BLT_VIDEO_FILL              0
1228 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
1229 #define EFI_BLT_BUFFER_TO_VIDEO         2
1230 #define EFI_BLT_VIDEO_TO_VIDEO          3
1231
1232 struct efi_gop {
1233         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
1234                                           efi_uintn_t *size_of_info,
1235                                           struct efi_gop_mode_info **info);
1236         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
1237         efi_status_t (EFIAPI *blt)(struct efi_gop *this,
1238                                    struct efi_gop_pixel *buffer,
1239                                    u32 operation, efi_uintn_t sx,
1240                                    efi_uintn_t sy, efi_uintn_t dx,
1241                                    efi_uintn_t dy, efi_uintn_t width,
1242                                    efi_uintn_t height, efi_uintn_t delta);
1243         struct efi_gop_mode *mode;
1244 };
1245
1246 #define EFI_SIMPLE_NETWORK_PROTOCOL_GUID \
1247         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
1248                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1249
1250 struct efi_mac_address {
1251         char mac_addr[32];
1252 };
1253
1254 struct efi_ip_address {
1255         u8 ip_addr[16];
1256 } __attribute__((aligned(4)));
1257
1258 enum efi_simple_network_state {
1259         EFI_NETWORK_STOPPED,
1260         EFI_NETWORK_STARTED,
1261         EFI_NETWORK_INITIALIZED,
1262 };
1263
1264 struct efi_simple_network_mode {
1265         enum efi_simple_network_state state;
1266         u32 hwaddr_size;
1267         u32 media_header_size;
1268         u32 max_packet_size;
1269         u32 nvram_size;
1270         u32 nvram_access_size;
1271         u32 receive_filter_mask;
1272         u32 receive_filter_setting;
1273         u32 max_mcast_filter_count;
1274         u32 mcast_filter_count;
1275         struct efi_mac_address mcast_filter[16];
1276         struct efi_mac_address current_address;
1277         struct efi_mac_address broadcast_address;
1278         struct efi_mac_address permanent_address;
1279         u8 if_type;
1280         u8 mac_changeable;
1281         u8 multitx_supported;
1282         u8 media_present_supported;
1283         u8 media_present;
1284 };
1285
1286 /* receive_filters bit mask */
1287 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
1288 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
1289 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
1290 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
1291 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
1292
1293 /* interrupt status bit mask */
1294 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT    0x01
1295 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT   0x02
1296 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT    0x04
1297 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT   0x08
1298
1299 /* revision of the simple network protocol */
1300 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION    0x00010000
1301
1302 struct efi_simple_network {
1303         u64 revision;
1304         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
1305         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
1306         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
1307                         ulong extra_rx, ulong extra_tx);
1308         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
1309                         int extended_verification);
1310         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
1311         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
1312                         u32 enable, u32 disable, int reset_mcast_filter,
1313                         ulong mcast_filter_count,
1314                         struct efi_mac_address *mcast_filter);
1315         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
1316                         int reset, struct efi_mac_address *new_mac);
1317         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
1318                         int reset, ulong *stat_size, void *stat_table);
1319         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
1320                         int ipv6, struct efi_ip_address *ip,
1321                         struct efi_mac_address *mac);
1322         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
1323                         int read_write, ulong offset, ulong buffer_size,
1324                         char *buffer);
1325         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
1326                         u32 *int_status, void **txbuf);
1327         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
1328                         size_t header_size, size_t buffer_size, void *buffer,
1329                         struct efi_mac_address *src_addr,
1330                         struct efi_mac_address *dest_addr, u16 *protocol);
1331         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
1332                         size_t *header_size, size_t *buffer_size, void *buffer,
1333                         struct efi_mac_address *src_addr,
1334                         struct efi_mac_address *dest_addr, u16 *protocol);
1335         struct efi_event *wait_for_packet;
1336         struct efi_simple_network_mode *mode;
1337         /* private fields */
1338         u32 int_status;
1339 };
1340
1341 #define EFI_PXE_BASE_CODE_PROTOCOL_GUID \
1342         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
1343                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1344
1345 #define EFI_PXE_BASE_CODE_PROTOCOL_REVISION 0x00010000
1346 #define EFI_PXE_BASE_CODE_MAX_IPCNT 8
1347
1348 struct efi_pxe_packet {
1349         u8 packet[1472];
1350 };
1351
1352 struct efi_pxe_mode {
1353         u8 started;
1354         u8 ipv6_available;
1355         u8 ipv6_supported;
1356         u8 using_ipv6;
1357         u8 bis_supported;
1358         u8 bis_detected;
1359         u8 auto_arp;
1360         u8 send_guid;
1361         u8 dhcp_discover_valid;
1362         u8 dhcp_ack_received;
1363         u8 proxy_offer_received;
1364         u8 pxe_discover_valid;
1365         u8 pxe_reply_received;
1366         u8 pxe_bis_reply_received;
1367         u8 icmp_error_received;
1368         u8 tftp_error_received;
1369         u8 make_callbacks;
1370         u8 ttl;
1371         u8 tos;
1372         u8 pad;
1373         struct efi_ip_address station_ip;
1374         struct efi_ip_address subnet_mask;
1375         struct efi_pxe_packet dhcp_discover;
1376         struct efi_pxe_packet dhcp_ack;
1377         struct efi_pxe_packet proxy_offer;
1378         struct efi_pxe_packet pxe_discover;
1379         struct efi_pxe_packet pxe_reply;
1380 };
1381
1382 struct efi_pxe_base_code_srvlist {
1383         u16 type;
1384         u8 accept_any_response;
1385         u8 reserved;
1386         struct efi_ip_address ip_addr;
1387 };
1388
1389 struct efi_pxe_base_code_discover_info {
1390         u8 use_m_cast;
1391         u8 use_b_cast;
1392         u8 use_u_cast;
1393         u8 must_use_list;
1394         struct efi_ip_address server_m_cast_ip;
1395         u16 ip_cnt;
1396         struct efi_pxe_base_code_srvlist srv_list[];
1397 };
1398
1399 struct efi_pxe_base_code_mtftp_info {
1400         struct efi_ip_address m_cast_ip;
1401         u16 cport;
1402         u16 sport;
1403         u16 listen_timeout;
1404         u16 transit_timeout;
1405 };
1406
1407 struct efi_pxe_base_code_filter {
1408         u8 filters;
1409         u8 ip_cnt;
1410         u16 reserved;
1411         struct efi_ip_address ip_list[EFI_PXE_BASE_CODE_MAX_IPCNT];
1412 };
1413
1414 struct efi_pxe_base_code_dhcpv4_packet {
1415         u8 bootp_op_code;
1416         u8 bootp_hw_type;
1417         u8 bootp_addr_len;
1418         u8 bootp_gate_hops;
1419         u32 bootp_ident;
1420         u16 bootp_seconds;
1421         u16 bootp_flags;
1422         u8 bootp_ci_addr[4];
1423         u8 bootp_yi_addr[4];
1424         u8 bootp_si_addr[4];
1425         u8 bootp_gi_addr[4];
1426         u8 bootp_hw_addr[16];
1427         u8 bootp_srv_name[64];
1428         u8 bootp_boot_file[128];
1429         u32 dhcp_magick;
1430         u8 dhcp_options[56];
1431 };
1432
1433 struct efi_pxe_base_code_dhcpv6_packet {
1434         u8 message_type;
1435         u8 transaction_id[3];
1436         u8 dhcp_options[1024];
1437 };
1438
1439 typedef union {
1440         u8 raw[1472];
1441         struct efi_pxe_base_code_dhcpv4_packet dhcpv4;
1442         struct efi_pxe_base_code_dhcpv6_packet dhcpv6;
1443 } EFI_PXE_BASE_CODE_PACKET;
1444
1445 struct efi_pxe_base_code_protocol {
1446         u64 revision;
1447         efi_status_t (EFIAPI *start)(struct efi_pxe_base_code_protocol *this,
1448                                      u8 use_ipv6);
1449         efi_status_t (EFIAPI *stop)(struct efi_pxe_base_code_protocol *this);
1450         efi_status_t (EFIAPI *dhcp)(struct efi_pxe_base_code_protocol *this,
1451                                     u8 sort_offers);
1452         efi_status_t (EFIAPI *discover)(
1453                                 struct efi_pxe_base_code_protocol *this,
1454                                 u16 type, u16 *layer, u8 bis,
1455                                 struct efi_pxe_base_code_discover_info *info);
1456         efi_status_t (EFIAPI *mtftp)(
1457                                 struct efi_pxe_base_code_protocol *this,
1458                                 u32 operation, void *buffer_ptr,
1459                                 u8 overwrite, efi_uintn_t *buffer_size,
1460                                 struct efi_ip_address server_ip, char *filename,
1461                                 struct efi_pxe_base_code_mtftp_info *info,
1462                                 u8 dont_use_buffer);
1463         efi_status_t (EFIAPI *udp_write)(
1464                                 struct efi_pxe_base_code_protocol *this,
1465                                 u16 op_flags, struct efi_ip_address *dest_ip,
1466                                 u16 *dest_port,
1467                                 struct efi_ip_address *gateway_ip,
1468                                 struct efi_ip_address *src_ip, u16 *src_port,
1469                                 efi_uintn_t *header_size, void *header_ptr,
1470                                 efi_uintn_t *buffer_size, void *buffer_ptr);
1471         efi_status_t (EFIAPI *udp_read)(
1472                                 struct efi_pxe_base_code_protocol *this,
1473                                 u16 op_flags, struct efi_ip_address *dest_ip,
1474                                 u16 *dest_port, struct efi_ip_address *src_ip,
1475                                 u16 *src_port, efi_uintn_t *header_size,
1476                                 void *header_ptr, efi_uintn_t *buffer_size,
1477                                 void *buffer_ptr);
1478         efi_status_t (EFIAPI *set_ip_filter)(
1479                                 struct efi_pxe_base_code_protocol *this,
1480                                 struct efi_pxe_base_code_filter *new_filter);
1481         efi_status_t (EFIAPI *arp)(struct efi_pxe_base_code_protocol *this,
1482                                    struct efi_ip_address *ip_addr,
1483                                    struct efi_mac_address *mac_addr);
1484         efi_status_t (EFIAPI *set_parameters)(
1485                                 struct efi_pxe_base_code_protocol *this,
1486                                 u8 *new_auto_arp, u8 *new_send_guid,
1487                                 u8 *new_ttl, u8 *new_tos,
1488                                 u8 *new_make_callback);
1489         efi_status_t (EFIAPI *set_station_ip)(
1490                                 struct efi_pxe_base_code_protocol *this,
1491                                 struct efi_ip_address *new_station_ip,
1492                                 struct efi_ip_address *new_subnet_mask);
1493         efi_status_t (EFIAPI *set_packets)(
1494                                 struct efi_pxe_base_code_protocol *this,
1495                                 u8 *new_dhcp_discover_valid,
1496                                 u8 *new_dhcp_ack_received,
1497                                 u8 *new_proxy_offer_received,
1498                                 u8 *new_pxe_discover_valid,
1499                                 u8 *new_pxe_reply_received,
1500                                 u8 *new_pxe_bis_reply_received,
1501                                 EFI_PXE_BASE_CODE_PACKET *new_dchp_discover,
1502                                 EFI_PXE_BASE_CODE_PACKET *new_dhcp_acc,
1503                                 EFI_PXE_BASE_CODE_PACKET *new_proxy_offer,
1504                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_discover,
1505                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_reply,
1506                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_bis_reply);
1507         struct efi_pxe_mode *mode;
1508 };
1509
1510 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
1511         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
1512                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1513 #define EFI_FILE_PROTOCOL_REVISION      0x00010000
1514 #define EFI_FILE_PROTOCOL_REVISION2     0x00020000
1515 #define EFI_FILE_PROTOCOL_LATEST_REVISION EFI_FILE_PROTOCOL_REVISION2
1516
1517 struct efi_file_io_token {
1518         struct efi_event *event;
1519         efi_status_t status;
1520         efi_uintn_t buffer_size;
1521         void *buffer;};
1522
1523 struct efi_file_handle {
1524         u64 rev;
1525         efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
1526                         struct efi_file_handle **new_handle,
1527                         u16 *file_name, u64 open_mode, u64 attributes);
1528         efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
1529         efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
1530         efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
1531                         efi_uintn_t *buffer_size, void *buffer);
1532         efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
1533                         efi_uintn_t *buffer_size, void *buffer);
1534         efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
1535                                       u64 *pos);
1536         efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
1537                                       u64 pos);
1538         efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
1539                         const efi_guid_t *info_type, efi_uintn_t *buffer_size,
1540                         void *buffer);
1541         efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
1542                         const efi_guid_t *info_type, efi_uintn_t buffer_size,
1543                         void *buffer);
1544         efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
1545         efi_status_t (EFIAPI *open_ex)(struct efi_file_handle *file,
1546                         struct efi_file_handle **new_handle,
1547                         u16 *file_name, u64 open_mode, u64 attributes,
1548                         struct efi_file_io_token *token);
1549         efi_status_t (EFIAPI *read_ex)(struct efi_file_handle *file,
1550                         struct efi_file_io_token *token);
1551         efi_status_t (EFIAPI *write_ex)(struct efi_file_handle *file,
1552                         struct efi_file_io_token *token);
1553         efi_status_t (EFIAPI *flush_ex)(struct efi_file_handle *file,
1554                         struct efi_file_io_token *token);
1555 };
1556
1557 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
1558
1559 struct efi_simple_file_system_protocol {
1560         u64 rev;
1561         efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
1562                         struct efi_file_handle **root);
1563 };
1564
1565 #define EFI_FILE_INFO_GUID \
1566         EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
1567                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1568
1569 #define EFI_FILE_SYSTEM_INFO_GUID \
1570         EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \
1571                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1572
1573 #define EFI_FILE_SYSTEM_VOLUME_LABEL_ID \
1574         EFI_GUID(0xdb47d7d3, 0xfe81, 0x11d3, \
1575                  0x9a, 0x35, 0x00, 0x90, 0x27, 0x3f, 0xC1, 0x4d)
1576
1577 #define EFI_FILE_MODE_READ      0x0000000000000001
1578 #define EFI_FILE_MODE_WRITE     0x0000000000000002
1579 #define EFI_FILE_MODE_CREATE    0x8000000000000000
1580
1581 #define EFI_FILE_READ_ONLY      0x0000000000000001
1582 #define EFI_FILE_HIDDEN         0x0000000000000002
1583 #define EFI_FILE_SYSTEM         0x0000000000000004
1584 #define EFI_FILE_RESERVED       0x0000000000000008
1585 #define EFI_FILE_DIRECTORY      0x0000000000000010
1586 #define EFI_FILE_ARCHIVE        0x0000000000000020
1587 #define EFI_FILE_VALID_ATTR     0x0000000000000037
1588
1589 struct efi_file_info {
1590         u64 size;
1591         u64 file_size;
1592         u64 physical_size;
1593         struct efi_time create_time;
1594         struct efi_time last_access_time;
1595         struct efi_time modification_time;
1596         u64 attribute;
1597         u16 file_name[0];
1598 };
1599
1600 struct efi_file_system_info {
1601         u64 size;
1602         u8 read_only;
1603         u64 volume_size;
1604         u64 free_space;
1605         u32 block_size;
1606         u16 volume_label[0];
1607 };
1608
1609 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \
1610         EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
1611                  0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
1612 struct efi_driver_binding_protocol {
1613         efi_status_t (EFIAPI * supported)(
1614                         struct efi_driver_binding_protocol *this,
1615                         efi_handle_t controller_handle,
1616                         struct efi_device_path *remaining_device_path);
1617         efi_status_t (EFIAPI * start)(
1618                         struct efi_driver_binding_protocol *this,
1619                         efi_handle_t controller_handle,
1620                         struct efi_device_path *remaining_device_path);
1621         efi_status_t (EFIAPI * stop)(
1622                         struct efi_driver_binding_protocol *this,
1623                         efi_handle_t controller_handle,
1624                         efi_uintn_t number_of_children,
1625                         efi_handle_t *child_handle_buffer);
1626         u32 version;
1627         efi_handle_t image_handle;
1628         efi_handle_t driver_binding_handle;
1629 };
1630
1631 /* Deprecated version of the Unicode collation protocol */
1632 #define EFI_UNICODE_COLLATION_PROTOCOL_GUID \
1633         EFI_GUID(0x1d85cd7f, 0xf43d, 0x11d2, \
1634                  0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1635 /* Current version of the Unicode collation protocol */
1636 #define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
1637         EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
1638                  0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)
1639 struct efi_unicode_collation_protocol {
1640         efi_intn_t (EFIAPI *stri_coll)(
1641                 struct efi_unicode_collation_protocol *this, u16 *s1, u16 *s2);
1642         bool (EFIAPI *metai_match)(struct efi_unicode_collation_protocol *this,
1643                                    const u16 *string, const u16 *patter);
1644         void (EFIAPI *str_lwr)(struct efi_unicode_collation_protocol
1645                                *this, u16 *string);
1646         void (EFIAPI *str_upr)(struct efi_unicode_collation_protocol *this,
1647                                u16 *string);
1648         void (EFIAPI *fat_to_str)(struct efi_unicode_collation_protocol *this,
1649                                   efi_uintn_t fat_size, char *fat, u16 *string);
1650         bool (EFIAPI *str_to_fat)(struct efi_unicode_collation_protocol *this,
1651                                   const u16 *string, efi_uintn_t fat_size,
1652                                   char *fat);
1653         char *supported_languages;
1654 };
1655
1656 struct efi_load_file_protocol {
1657         efi_status_t (EFIAPI *load_file)(struct efi_load_file_protocol *this,
1658                                          struct efi_device_path *file_path,
1659                                          bool boot_policy,
1660                                          efi_uintn_t *buffer_size,
1661                                          void *buffer);
1662 };
1663
1664 /* Boot manager load options */
1665 #define LOAD_OPTION_ACTIVE              0x00000001
1666 #define LOAD_OPTION_FORCE_RECONNECT     0x00000002
1667 #define LOAD_OPTION_HIDDEN              0x00000008
1668 /* All values 0x00000200-0x00001F00 are reserved */
1669 #define LOAD_OPTION_CATEGORY            0x00001F00
1670 #define LOAD_OPTION_CATEGORY_BOOT       0x00000000
1671 #define LOAD_OPTION_CATEGORY_APP        0x00000100
1672
1673 /*
1674  * System Resource Table
1675  */
1676 /* Firmware Type Definitions */
1677 #define ESRT_FW_TYPE_UNKNOWN            0x00000000
1678 #define ESRT_FW_TYPE_SYSTEMFIRMWARE     0x00000001
1679 #define ESRT_FW_TYPE_DEVICEFIRMWARE     0x00000002
1680 #define ESRT_FW_TYPE_UEFIDRIVER         0x00000003
1681
1682 /* Last Attempt Status Values */
1683 #define LAST_ATTEMPT_STATUS_SUCCESS                     0x00000000
1684 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL          0x00000001
1685 #define LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES 0x00000002
1686 #define LAST_ATTEMPT_STATUS_ERROR_INCORRECT_VERSION     0x00000003
1687 #define LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT        0x00000004
1688 #define LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR            0x00000005
1689 #define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_AC            0x00000006
1690 #define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_BATT          0x00000007
1691 #define LAST_ATTEMPT_STATUS_ERROR_UNSATISFIED_DEPENDENCIES 0x00000008
1692
1693 /*
1694  * The LastAttemptStatus values of 0x1000 - 0x4000 are reserved for vendor
1695  * usage.
1696  */
1697 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MIN 0x00001000
1698 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MAX 0x00004000
1699
1700 /* Certificate types in signature database */
1701 #define EFI_CERT_SHA256_GUID \
1702         EFI_GUID(0xc1c41626, 0x504c, 0x4092, 0xac, 0xa9, \
1703                  0x41, 0xf9, 0x36, 0x93, 0x43, 0x28)
1704 #define EFI_CERT_RSA2048_GUID \
1705         EFI_GUID(0x3c5766e8, 0x269c, 0x4e34, 0xaa, 0x14, \
1706                  0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6)
1707 #define EFI_CERT_X509_GUID \
1708         EFI_GUID(0xa5c059a1, 0x94e4, 0x4aa7, 0x87, 0xb5, \
1709                  0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72)
1710 #define EFI_CERT_X509_SHA256_GUID \
1711         EFI_GUID(0x3bd2a492, 0x96c0, 0x4079, 0xb4, 0x20, \
1712                  0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed)
1713 #define EFI_CERT_TYPE_PKCS7_GUID \
1714         EFI_GUID(0x4aafd29d, 0x68df, 0x49ee, 0x8a, 0xa9, \
1715                  0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7)
1716
1717 /**
1718  * win_certificate_uefi_guid - A certificate that encapsulates
1719  * a GUID-specific signature
1720  *
1721  * @hdr:        Windows certificate header
1722  * @cert_type:  Certificate type
1723  * @cert_data:  Certificate data
1724  */
1725 struct win_certificate_uefi_guid {
1726         WIN_CERTIFICATE hdr;
1727         efi_guid_t      cert_type;
1728         u8              cert_data[];
1729 } __attribute__((__packed__));
1730
1731 /**
1732  * efi_variable_authentication_2 - A time-based authentication method
1733  * descriptor
1734  *
1735  * This structure describes an authentication information for
1736  * a variable with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS
1737  * and should be included as part of a variable's value.
1738  * Only EFI_CERT_TYPE_PKCS7_GUID is accepted.
1739  *
1740  * @time_stamp: Descriptor's time stamp
1741  * @auth_info:  Authentication info
1742  */
1743 struct efi_variable_authentication_2 {
1744         struct efi_time                  time_stamp;
1745         struct win_certificate_uefi_guid auth_info;
1746 } __attribute__((__packed__));
1747
1748 /**
1749  * efi_signature_data - A format of signature
1750  *
1751  * This structure describes a single signature in signature database.
1752  *
1753  * @signature_owner:    Signature owner
1754  * @signature_data:     Signature data
1755  */
1756 struct efi_signature_data {
1757         efi_guid_t      signature_owner;
1758         u8              signature_data[];
1759 } __attribute__((__packed__));
1760
1761 /**
1762  * efi_signature_list - A format of signature database
1763  *
1764  * This structure describes a list of signatures with the same type.
1765  * An authenticated variable's value is a concatenation of one or more
1766  * efi_signature_list's.
1767  *
1768  * @signature_type:             Signature type
1769  * @signature_list_size:        Size of signature list
1770  * @signature_header_size:      Size of signature header
1771  * @signature_size:             Size of signature
1772  */
1773 struct efi_signature_list {
1774         efi_guid_t      signature_type;
1775         u32             signature_list_size;
1776         u32             signature_header_size;
1777         u32             signature_size;
1778 /*      u8              signature_header[signature_header_size]; */
1779 /*      struct efi_signature_data signatures[...][signature_size]; */
1780 } __attribute__((__packed__));
1781
1782 #endif